Milford especially ended the campaign strongly, doing enough to win the club's Player of the Year award.

But it is hoped Johns can teach Milford and Nikorima, who are fantastic off-the-cuff players, the subtleties of game-management.

Johns is regarded as a brilliant analyst and has previously been called on by the Melbourne Storm and South Sydney Rabbitohs, assisting the likes of Cooper Cronk, Cameron Munster, Cody Walker and Adam Reynolds.